Coil winder



Jan. 6, 1931. c. c. BRENNER 1,787,612

COIL WINDER Filed July ll, 1928 [Z1 JZ 'Patented Jan. 6, 193i i UNITED STATES PATENT OFFICE CAMERON C. BRENNER, OF ROCHELLE,`ILLINOIS, ASSIGNOR OF ONE-HALF T HERBERT S. BAIN, 0F ROCHELLE, ILLINOIS COIL WINDER Application led July 11, 1928. Serial No. 291,883.

ally, the principal feature of adaptability for the purpose mentioned being the fact that the device may bel adjusted to suit the requirements of practically any job which may be encountered and, furthermore, is adapted to wind a large number of coils in one setup so that as many coils as may be required may easily be Wound in one, two, or more, sets, depending, of course, on the size of the job to be handled;

In the past, it was'customary to wind coils one at a time on a frame or former. These frames either had to be made up specially for each job or else a whole set of them had to be kept on hand to accommodate practically any kind of job. Upon completing a coil on one of the frames the side plates bolted thereon had to be removed to permit the removal of the coil and then had to be replaced for the Winding of the next coil,

and so on, depending on the number of coils required. The Winding of the coils, therefore, consumed much more expense than appears to be warranted by what should be a mere incidental phase of the work, either in the repairing or the building of a dynamospindle of a lathe or any means for turning the same, the frame having coil winding posts extending therefrom parallel to one another and arranged to be adjusted toward or away from one another accordin to the size and shape of coils to be woun The posts are made up of sleeves having a telescoping fit on mandrels, permitting the removal thereof and replacement with ease and facility,.thc sleeves having collars adjustably secured thereon in spaced relation, these collars being arranged to be set according to the number of turns of Wire to be Wound in each coil. It is not uncommon to provide ten, twelve, or more of these collars on each sleeve for the winding of a corresponding number of coils, all in one set-up so that a motor requiring, for example, twenty four or thirty coils can easily be taken care of in the Winding of two sets of coils. As soon as a set of coils has been wound they can be removed by simply slipping the sleeves off the mandrels and another set can then be wound as soon as the sleeves have been replaced. All of the coils needed can be Wound in a small fraction of the amount of time otherwise consumed in doing this work. Furthermore, as will presently appear, when the coils are wound on this device in multiple, all of the coils are interconnected and that many soldering operations are dispensed with when the coils are ultimately inserted in their slots, and hence the cost of the Work is brought still lower, and the Work is, furthermore, of a higher grade and more uniform and dependable character.

The invention is illustrated in the accompanying drawing, in Which- Figure l is a front view of a coil Winder embodying my invention;

Fig. 2 is a side View of Fig. 1

Fig. 3 is a cross-section on a slightly enlarged scale taken on the line 3 8 of Fig. 2;

Fig. 4 is a view of a set of coils produced on the device showing how the same are connected as a result of the fact that all of the coils are wound from one length of wire, the Wire being led from the end of one coil to the beginning of the next, and so on; and

Fig. 5 is an isolated end view of two mandrels showing the use of a modified form of collars, the collars having eccentric holes therein for the purpose of permitting the mandrels to be brought closer together than could otherwise be done, as required, for eX- ample, in the winding of very small coils.

I 4The same reference numerals are applied to corresponding parts throughout the views.

The device comprises an expansible frame including a longitudinal member fixed to orintegral with a head 11 arranged to be mounted on the head stock spindle of'a lathe for the turning of the frame by power 1n' the winding of the coils, although, of course,

the frame might be turned by hand if so desired. Cross-members 12 and 13 are suitably milled on the backs thereof, as'shown at14, (see Fig.'3) to seat on the longltudmal mem- 1- members pass through slots 17 extending i lengthwise of thelongitudinal member 10 and are arranged, when tightened, to clamp the cross-members in any position of adjustment. The cross-members 12 and 13 are, therefore, adjustable toward and awayfrom one another while maintaining strict parallelism. Mandrels 18 forming partsof. the coil windingposts have annular flanges 19 providedV near the threaded end 20 thereof and are mounted for adjustment toward and away from one another in the slots 17 and slots 21 provided inthe cross-members 12 and 13 and are arranged to be fastened -in any adjusted position bythe tightening of nuts 22 received on the threaded ends 20 of -said mandrels. The flanges 19 on the mandrels received in the slots 17, as appears 1n Fig. 2, are somewhat thicker than those provided on the mandrels received in the slots 21 in order that the faces of allof these anges will lie substantially in a commonV plane when the cross-members -are bolted in adjusted position and the nuts on the threaded ends of all of the mandrels have been tightened with', the mandrels disposed in proper adjustedposition. The purpose 1n this is to properly correlate the ends of a plurality 'of sleeves 23 having a telescoping fit on the mandrels 18, the said sleeves being arranged to be slipped over the mandrels and brought into engagement with the flanges 19. Collars 24 having center` holes 25 enabling the same to be slipped onto the sleeves 23, are arranged to be secured in position thereon by means offset screws 26 threadedly received in radial holes 27 provided in said collars. s ranged to be set in substantially uniformly spaced relation to one another, the end colla r of a set on any certain sleeve being spaced from the end of the sleeve the same distance as from the second collar so that the lirst coil of a set can be wound in the space between the ilanges 19 and the first collars, the second in the space between the irst collars and the second collars, and so on, the same space being allotted each coil.

In operation, the cross-members 12 and 13 The collars are arare adfjust'ed toward or awa Y from one another or the proper longitucn the mandrels 18.received in the'slots 21 thereof, the latter being arrangedto be adjusted thereafter for the pro er transverse spacing. The mandrels recelve in the slots 17 are also arranged to be adjusted to the desired positions. Then, assuming that the collars24l have all been set in roper spaced relation on the sleeves 23 and that the latter have been slipped onto the mandrels and are Vdisposed in engagement with the flanges 19 of the latter, the device is ready for operation and can be used for the winding of as many coils as there are collars on any one of the` sleeves. A counter of any suitable form may al spacing of be used to facilitate the matter of counting` the number of turns put into each coil. Referring to Fig. 4, it will be seen that upon the completion of coil Agin thefirst space, designated a in Figs. 2 and 3, the wire may be led to the next space b, as represented at a in Fig. 4, whereupon coil B can then be wound, and so f orth, for coils C, D, etc. It will thus appear that the coils are all wound from a single length of wire and are connected, as represented at a', b', c', d', etc., the wire being led in each case from the endo'f one coil to the beginning of the next. The saving in time which results with this method off-winding coils, as compared with the' old method, is believed to be self-evident. The fact, too, lthat all of thecoils are interconnected and there is, therefore, no necessity for soldered connections is also an important factor both from the standpoint of time saving and improving the. character and yquality of the work. The moment one set of coils has been wound all of the sleeves 23 can be slipped oli' the mandrels to remove the coils therefrom'and can then be replaced for the winding of the next set of coils. There is nothing that has to be unfastened, so that no tools are needed in the operation of stripping off coils. All of the sleeves can easily be taken off and replaced in less time than was otherwise taken to remove and replace the side plates on the old stylev one-coilframe or former.

When a device similar to that shown andV described is made on a smaller scale to take care of the winding of much smaller coils, in which case the mandrels 18 frequently have to be brought in very close proximity, as shown in Flg. 5, it becomes necessary to provide collars 24', the holes 25 in which are eccentric. These collars are arranged to be slipped onto the sleeves 23 and fastened similarly as the collars 24 and ,are arranged to be so disposedthat the portions thereof of smallest section are disposed in juxtaposition, thereby permitting much closer positioning of the mandrels 18.with collars of a given diameter than could be gotten using collars of the same diameter having center holes therein. Inother Words, the size of the collars does not impose as much of a restriction on the extent to which the device may be adjusted down to wind small sized coils.

I claim:

1. A coil Winder comprising, in combination, a frame, a plurality of mandrels projecting from said frame, and a sleeve having a telescoping fit on each of said mandrels to permit removal and replacement thereof, each of said sleeves having means thereon providing a plurality of separate coil winding recesses.

2. A coil wiiidei' comprising, in combination, a frame, a plurality of mandrels projecting from said frame in spaced and substantially parallel relation to one another, sleeves having a telescoping fit on said mandrels permitting the easy and quick application and removal thereof, and collars slidably received on said sleeves and having means for securing the saine in adjusted spaced relation thereon whereby to dene a plurality of coil winding recesses therebetween.

3. A device as set forth in claim 2 wherein the collars have eccentric holes therein for the reception of said sleeves substantially as and for the purposes described.y

4. A coil Winder comprising, in combination, a frame including a longitudinal member and one or more transverse members mounted thereon, mandrels each having one end anged and threaded, the members of said frame having slots provided therein for the reception of the ends of said mandrels, said mandrels having-nuts threading on the threaded ends thereof for securing the same in adjusted position in said slots, the outside faces of all of the anges of said mandrels being disposed substantially in a single plane, sleeves having a telescoping lit on said mandrels and arranged to have the ends thereof brought into engagement with said flanges, and means on said sleeves providing a plurality of coil winding recesses on each sleeve.

5. A device as set forth in claim 4 wherein the last mentioned means comprises collars having a telescoping fit on said sleeves permitting the adjustment of said collars with respect to one another to different spaced relation, each of said collars having means for securing the saine in adjusted position on its sleeve.

6. In a coil Winder, the combination of a frame adapted to be rotated, a plurality of mandrels projecting from said frame in spaced and substantially parallel relation to one another and preferably adjustable on the frame with reference to one another, and tubular coil Winding members received on said mandrels, and all provided with coil winding recesses of approximately the same size, the recesses on adjoining members being disposed approximately in the same plane whereby to permit the Windingof coils each spanning one particular series of recesses, a

series of coils being arranged to be wound on the members in one set-up and all from one continuous length of wire so that a length of extra wire intervenes between the end of one coil and the beginning of the next coil and so on.

7. In a coil Winder, the combination of a frame adapted to be rotated, and a plurality of coil winding posts projecting from said frame in substantially parallel relation to one another and adjustable relative to the frame toward or away from one another and all provided with coil winding recesses of approximately the same size, the recesses on adjoining posts being disposed approximately `in the saine plane whereby to permit the winding of coils each spanning one particular series of recesses,.a series of coils being arranged to be Wound on the posts in one set-up and all from one continuous length of wire so that a length of extra Wire intervenes between the end of one coil and the beginning of the next coil, and so on.

8. A coil Winder comprising, in combination, a frame including a longitudinal meinber and one or more transverse members mounted thereon, mandrels each having one end :flanged and threaded, the members of said frame having slots provided therein for the reception of the ends of said mandrels, said mandrels having nuts threading on the threaded ends thereof for securing the saine in adjusted position in said slots, the outside faces of all of the flanges of said mandrels being disposed substantially in a single plane, and a plurality of collars carried on each of the mandrels in substantially equally spaced relation to one another, the spacing of the endmost collars with reference to the flanges being the same as the spacing of the collars with reference to one another, whereby to provide a plurality of coil winding recesses on each mandrel of substantially uniform Width.

9. A coil Winder comprising, in combination, a frame including a longitudinal meinber and one or more transverse members mounted thereon, mandrels each having one end flanged and threaded, the members of said frame having slots provided therein for the reception of the ends of said mandrels, said mandrels having nuts threading on the threaded ends thereof forsecuring the same in adjusted position in said slots, the outside faces of all of the flanges of said mandrels being disposed substantially in a single plane, and a plurality of annular projeetions on said mandrels in substantially equally spaced relation to one another, the endmost projections being spaced from the flanges a distance equal to the spacing of the projections with reference to one? another whereby to provide a pluralityof coil windin recesses on said mandrels of sub-' stantia y uniform width. j v 3 10. In a coil Winder, the combination of a ,frame adapted to be rotated, and a plurality of coil winding posts projecting from said frame in substantially parallel relation to one another and adjustable relative to the frame toward or away Yfrom one another and all provided with coil windin recesses, the recesses on adjoining osts ing disposed approximately in t e same plane whereby to permit the winding of coils each spanning one particular series of recesses.

11. A` coil wlnder comprising, in combination, a frame, a plurality of mandrels projecting from said frame in spaced and substantially parallel relation to one, another, and collars carried on said mandrels and arranged to be secured thereon in any defsired spaced relation, said collars providing therebetween a plurality of lseparated coil winding recesses. 12. A coil Winder comprising, in combination, a frame, and a plurality of coil winding'posts com risin mandrels mounted on ,said frame' or a justment toward' and away fromone another, said mandrels having means arranged for holding the same in nature.

adjusted coil winding position, and -a plurality of collars mounted on said mandrels in spaced relation and for easy removal and providing therebetween a plurality of coil 35 winding recesses, the removal of said collars resulting in the removal of all ofthe coils wound thereon in one set-up, the saidl coils being all interconnected.

In witness of the foregoing I aiiix my sig- CAMERON C. BRENNER. 

